20080179

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18749}}^1$

素因数の和:18779

約数の個数: 24

約数和(自身を含む): 35100000

約数和(自身を除く): 15019821

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18749, 56247, 131243, 168741, 318733, 393729, 956199, 1181187, 2231131, 2868597, 6693393, 20080179]

約数ペア:

[(1, 20080179), (3, 6693393), (7, 2868597), (9, 2231131), (17, 1181187), (21, 956199), (51, 393729), (63, 318733), (119, 168741), (153, 131243), (357, 56247), (1071, 18749)]